Today I'm excited to announce the public beta availability of a major new release of WPF. Since we shipped .NET Framework 3.5 late last year, the team has been hard at work at a new release that adds many supplemental features, fixes a good number of bugs, offers many performance optimizations, and includes...

We released a minor maintenance update to Silverlight 1.0 over the weekend (internally known as GDR3 , where GDR stands for "General Distribution Release"). I'm sure most readers of this blog already have Silverlight 2 Beta 1 installed on their own machines, but if you're building a site for...

As many people will have noticed, we released Windows Vista Service Pack 1 this week ( read about the notable changes here ). Aside from the inevitable bug fixes and enhancements to support new hardware types, one of the underlying changes is that SP1 brings the Windows Vista and Windows Server 2008...

It's been gratifying to see how much excitement there is out there about Silverlight. We've barely started the engines yet, but we've already had a number of big sites launch their first Silverlight experiences, and of course plenty of stuff underway that we'll be revealing over the coming months. Many...

I see on the Channel 9 home page that we've hit the milestone of one hundred videos posted on WPF/Avalon. The latest video is one of my favorites so far - the ever-entertaining Kevin Moore (of KevinButton and Bag'o'Tricks fame) talking about and demonstrating all the new innovations in WPF 3.5 . (For...

As we close down on the release, we're actually pushing out an update to the Silverlight RC build in the next couple of hours. The update is Sunday night's drop - build 20730 (the last release was 20724), and I'm going to informally dub it "RC2" for ease of reference. This is one of a few critical updates...

In just a couple of weeks, we'll be ready to publish the Release Candidate of Silverlight 1.0 to the web. We're in the final stages of stabilization as we close in on launch; fixing the last few bugs, doing detailed security penetration testing work, resolving any remaining inconsistencies and completing...

On a more practical note than my last blog posting , I want to encourage everyone to check out the Windows Vista compatibility cookbook . Despite our best efforts, there will always be some breaking changes between releases of an operating system, particularly when security model changes such as UAC...